Patents-Review.com
ClassID:

144071 ⎘

F04D17/164 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps for displacing without appreciable compression Multi-stage fans, e.g. for vacuum cleaners

Recent Application in this class:
#1
20260007843
2026-01-08

RESPIRATORY PRESSURE THERAPY SYSTEM

 #2
20240408332
2024-12-12

BLOWER

 #3
20240342412
2024-10-17

RESPIRATORY APPARATUS

 #4
20240307639
2024-09-19

RESPIRATORY PRESSURE THERAPY SYSTEM

 #5
20240229805
2024-07-11

COMPACT LOW NOISE EFFICIENT BLOWER FOR CPAP DEVICES

 #6
20240216627
2024-07-04

RESPIRATORY PRESSURE THERAPY SYSTEM

 #7
20240175443
2024-05-30

BLOWER FOR BREATHING APPARATUS

 #8
20240133386
2024-04-25

COMPACT LOW NOISE EFFICIENT BLOWER FOR CPAP DEVICES

 #9
20240093446
2024-03-21

Fan for regenerative air vacuum street sweeper, and method of fan manufacture and assembly

 #10
20240009412
2024-01-11

TWO-STAGE BLOWER APPARATUS FOR A VENTILATOR

 #11
20230220638
2023-07-13

Fan for regenerative air vacuum street sweeper, and method of fan manufacture and assembly

 #12
20230167830
2023-06-01

FAN ASSEMBLY AND VACUUM CLEANER HAVING SAME

 #13
20230165417
2023-06-01

FAN ASSEMBLY AND VACUUM CLEANER HAVING SAME

 #14
20230165416
2023-06-01

FAN ASSEMBLY AND VACUUM CLEANER HAVING SAME

 #15
20230108081
2023-04-06

RESPIRATORY APPARATUS

 #16
20220290677
2022-09-15

Compact low noise efficient blower for CPAP devices

 #17
20220120290
2022-04-21

Noise reduction method of a ventilator

 #18
20220088330
2022-03-24

Blower

 #19
20220081858
2022-03-17

Fan for regenerative air vacuum street sweeper, and method of fan manufacture and assembly

 #20
20220016375
2022-01-20

Respiratory pressure therapy system

 #21
20210301832
2021-09-30

Blower for breathing apparatus

 #22
20200182250
2020-06-11

Compact low noise efficient blower for CPAP devices

 #23
20200129715
2020-04-30

Respiratory apparatus

 #24
20190269871
2019-09-05

Respiratory pressure therapy system

 #25
20190234411
2019-08-01

Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor

 #26
20190234410
2019-08-01

Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor

 #27
20190040874
2019-02-07

Centrifugal Impeller and Centrifugal Blower

 #28
20190038857
2019-02-07

Blower

 #29
20180187686
2018-07-05

Blower and exhaust fan comprising the same

 #30
20180050907
2018-02-22

Centrifugal blower system with internal gas mixing and gas phase chemical reactor incorporating same

 #31
20170363110
2017-12-21

Motor-driven fan with trapped adhesive for minimizing vibration

 #32
20170363097
2017-12-21

Electronic device and control method thereof

 #33
20170363092
2017-12-21

Motor-driven fan with an assembly for minimizing vibration and strain

 #34
20170298948
2017-10-19

Center bushing to balance axial forces in multi-stage pumps

 #35
20170288504
2017-10-05

SYSTEMS AND METHODS FOR COOLING ELECTRONICS AND A REAR END OF STATOR WINDINGS IN AN ALTERNATOR

 #36
20170248144
2017-08-31

Compact low noise efficient blower for CPAP devices

 #37
20170045056
2017-02-16

Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor

 #38
20170002830
2017-01-05

Blower for breathing apparatus

 #39
20160303338
2016-10-20

Respiratory apparatus

 #40
20160258442
2016-09-08

Boundary layer turbomachine

 #41
20160161133
2016-06-09

Ventilation module with swirler fan

 #42
20140227091
2014-08-14

Compact low noise efficient blower for CPAP devices

 #43
20140158134
2014-06-12

Respiratory apparatus

 #44
20140158131
2014-06-12

Blower

 #45
20140105744
2014-04-17

Blower

 #46
20130028710
2013-01-31

Compact low noise efficient blower for CPAP devices

 #47
20120304391
2012-12-06

Pump and housing configuration for inflating and deflating an air mattress

 #48
20120301304
2012-11-29

Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor

 #49
20120275915
2012-11-01

Centrifugal fan

 #50
20120266887
2012-10-25

Double-ended blower and volutes therefor

 #51
20110318175
2011-12-29

Multi-stage centrifugal fan

 #52
20110073289
2011-03-31

LOW PROFILE BLOWER RADIAL HEATSINK

 #53
20110073110
2011-03-31

Compact low noise efficient blower for CPAP devices

 #54
20110044808
2011-02-24

Radial fan and a high-pressure cleaning device having a radial fan

 #55
20100172095
2010-07-08

Crossflow blower apparatus and system

 #56
20100132711
2010-06-03

Blower motor with flexible support sleeve

 #57
20100034673
2010-02-11

Suction device for dental, medical and industrial purposes

 #58
20090246013
2009-10-01

Compact low noise efficient blower for CPAP devices

 #59
20090194101
2009-08-06

Respiratory apparatus

 #60
20090136341
2009-05-28

Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor

 #61
20070274827
2007-11-29

Multi-stage taper fan-motor assembly

 #62
20070211428
2007-09-13

Multi-stage air movers for cooling computer systems and for other uses

 #63
20070134085
2007-06-14

Double-ended blower and volutes therefor

 #64
20070131220
2007-06-14

Cooking appliance

 #65
20070014661
2007-01-18

Blower

 #66
20060275116
2006-12-07

Fan

 #67
20050217673
2005-10-06

Double-ended blower and volutes therefor

 #68
20050095126
2005-05-05

Centrifugal fan and housing thereof